Kia Niro: Exhaust Emission Control System / Catalytic Converter Description and operation

Description

The catalytic converter of the gasoline engine is a three way catalyst. It oxidizes carbon monoxide and hydrocarbons (HC), and separates oxygen from the oxides of nitrogen (NOx).

Catalytic Converter (WCC)

Catalytic Converter (UCC)

Description and operation
Description Exhaust emissions (CO, HC, NOx) are controlled by a combination of engine modifications and the addition of special control components. Modifications to the combustion cha ...

CVVT (Continuous Variable Valve Timing) System Description and operation
Description Continuous Variable Valve Timing (CVVT) system advances or retards the valve timing of the intake and exhaust valve in accordance with the ECM control signal which is calc ...

Other information:

Kia Niro 2017 (DE HEV) Service Manual: Crankshaft Position Sensor (CKPS) Specifications
Specification Item Specification Coil Resistance (Ω) 774 - 946 [20°C (68°F)] ...

Kia Niro 2017 (DE HEV) Service Manual: Knock Sensor (KS) Repair procedures
Removal 1. Switch "OFF" the ignition and disconnect the negative (-) battery terminal. 2. Remove the intake manifold. (Refer to Engine Mechanical System - “Intanke Manifold”) 3. Remove the installat ...

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